Arabia-- arabicum. I don't have a game for obseum...
There are at least ten kinds of Adeniums, so sorry, Jimbo! See:
http://adenium.tucsoncactus.or... But their examples show only flowers. There is a lot of variation in growth habit. One of everyone's all time favorites is the kind from the island of Socotra, which is off the coast of (Somalia, not Syria. Somalia, where the pirates came from...)
Here are some photos of this kind of Adenium-- socotranum:
https://www.google.com/search?...
The big monster fat tree ones. Them in pots are Thai socos, a completely different plant
Whew, I'm tired now! Oh, here's a sky vine--- Gets HUGE
https://www.google.com/search?...
